The business scope includes: Technical service, technical development, technical consultation, technical exchange, technology transfer and technology promotion; R&D of new material technology; Research and development of special electronic materials; Research and development of household appliances; Engineering and technical research and test development; Retail of electronic components; Wholesale of electronic components; Sales of electronic products; Sales of semiconductor lighting devices; Sales of lighting appliances; Trade brokerage; Trade agency. (Except for projects that need to be approved according to law, business activities shall be carried out independently according to law with the business license) Import and export of goods